the 2009 inauguration was a law gist cal nightmare. hundreds of ticket holders getting stuck in the tunnel. authorities say this time will be better. >> there will be such a different feel when you come down this time for the inauguration. there was extensive signs and we have social media sites you can follow. >> this year there is even an app for that. it picks up where you are, and it tells you from where the viewing screens are to where the nearby events are and telling me i am right on the parade route. >> along the 1.2 mile stretch of pennsylvania avenue to the capital steps to the white house, undercover officers and s.w.a.t teams out in full force. >> and that was cecilia vega reporting. our coverage continues tomorrow at 4:00 a.m. with a special edition of good morning america and we will start at 6:30. >>> veteran abc news woman barbara walters is recovering tonight after being injured during a fall at an ingnawing raying -- inauguration party. the 83-year-old fell in washington, d.c. and cut her forehead. a spokesman says ou